bacteria

I am moving fish around for some new arrivals. Does anyone know how long an empty cycled tank will last before the BB die off or go away and the cycle will have to be kick started again.

Are all bacteria created equal? For instance, when setting up new tanks, the easiest way to cycle the tank is to set it up with an established filter or used substrate. This is what I generally do and it is pretty reliable when done correctly. Most of my tanks are African, so I'm generally...

http://www.practicalfishkeeping.co.uk/content.php?sid=4780&utm_source=PFK_newsletter&utm_medium=email&utm_campaign=February_10_2012&utm_term=Think_you_know_filter_bacteria?_Dream_on…&utm_content=html If it's correct, and it seems well researched, it refutes some urban fishkeeping legends.